Acuity Scheduling MCP Server
for AI Agents
Connect your AI agent to StackOne's Acuity Scheduling MCP server and give it 35 MCP tools out of the box. Auth, tool execution, and security all managed.
StackOne 
Coverage
35 Agent Actions
Agents can read, write, delete and run operations in Acuity Scheduling. Extend your agent's capabilities with custom actions.
Authentication
Agent Tool Authentication
Per-user OAuth in one call. Your Acuity Scheduling MCP server gets session-scoped tokens with zero credentials stored on your infra.
Agent Auth →
Security
Agent Protection
Every Acuity Scheduling tool response scanned for prompt injection in milliseconds, with 88.7% accuracy, all running on CPU.
Prompt Injection Defense →
Performance
Max Agent Context. Min Cost.
Free up to 96% of your agent's context window to enhance reasoning and reduce cost, on every Acuity Scheduling call.
Tools Discovery →What is the Acuity Scheduling MCP Server?
A Acuity Scheduling MCP server lets AI agents read and write Acuity Scheduling data through the Model Context Protocol, Anthropic's open standard for connecting LLMs to external tools. StackOne's Acuity Scheduling MCP server ships with 35 pre-built actions, fully extensible via the Connector Builder, plus managed authentication, prompt injection defense, observability, and agent execution runtime. Connect it from MCP clients like Claude Desktop, Claude Code, Cursor, Goose, and VS Code, or from agent frameworks like OpenAI Agents SDK, LangChain, and Vercel AI SDK.
All Acuity Scheduling MCP Tools
Every StackOne action for Acuity Scheduling, ready for your agent. Read, write, delete and run operations, scoped to exactly what you need.
Appointments
- Create Appointment
Book a new appointment for a client.
- List Appointments
List appointments scheduled in the Acuity account.
- Get Appointment
Get a single appointment by ID.
- Update Appointment
Update client details, intake form fields, notes or labels on an appointment.
Blocks
- Create Block
Block off time on a calendar so it cannot be booked.
- List Blocks
List blocked-off time on calendars.
- Get Block
Get a single block of blocked-off time by ID.
- Delete Block
Delete a block of blocked-off time.
Certificates
- Create Certificate
Create a package or coupon certificate code.
- List Certificates
List package and coupon certificate codes.
- Delete Certificate
Delete a certificate code.
Clients
- Create Client
Add a new client to the client list.
- List Clients
List clients in the Acuity client list.
- Update Client
Update an existing client identified by name and phone.
- Delete Client
Delete a client identified by name and phone.
Orders
- List Orders
List orders from the online store.
- Get Order
Get a single store order by ID.
Webhooks
- Create Webhook
Subscribe a target URL to an Acuity event.
- List Webhooks
List active dynamic webhook subscriptions.
- Delete Webhook
Delete a dynamic webhook subscription.
Other (15)
- List Appointment Addons
List the addons that can be attached to appointments.
- List Appointment Payments
List payment transactions recorded for an appointment.
- List Appointment Types
List the appointment types offered by the account.
- Get Availability Dates
Get the dates in a month that have available time slots.
- Get Availability Times
Get available time slots on a date for an appointment type.
- Get Availability Classes
Get scheduled class offerings and remaining slots.
- List Calendars
List the calendars in the Acuity account.
- List Forms
List intake forms and their fields.
- List Labels
List the appointment labels defined in the account.
- Get Me
Get the authenticated Acuity account.
- List Products
List products and packages in the online store.
- Cancel Appointment
Cancel an existing appointment.
- Reschedule Appointment
Move an appointment to a different date, time or calendar.
- Check Availability Times
Validate that a specific date and time is bookable.
- Check Certificate
Check whether a certificate code is valid for an appointment type.
Set Up Your Acuity Scheduling MCP Server in Minutes
One endpoint. Any framework. Your agent is talking to Acuity Scheduling in under 10 lines of code.
Agent Frameworks
JSON{
"mcpServers": {
"stackone": {
"command": "npx",
"args": [
"-y",
"mcp-remote@latest",
"https://api.stackone.com/mcp?x-account-id=<account_id>",
"--header",
"Authorization: Basic <YOUR_BASE64_TOKEN>"
]
}
}
}Platform Resources
Comparing BM25, TF-IDF, and Hybrid Search for MCP Tool Discovery
Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.
10 min
Indirect Prompt Injection Defense for MCP Tools: A Technical Guide
MCP tools that read emails, CRM records, and tickets are indirect prompt injection vectors. Here's how we built a two-tier defense that scans tool results in ~11ms.
12 min
MCP vs A2A: Architecture, Security, and When to Use Each
MCP vs A2A: what each protocol standardizes, how they differ, their shared security risks including indirect prompt injection, and when to use one, both, or a hybrid architecture.
12 min
MCP vs API: What Hundreds of Connector Builds Taught Us
MCP wraps APIs, it doesn't replace them. After building hundreds of connectors that serve both, here's when each approach wins.
14 min read
Acuity Scheduling MCP Server FAQ
Does StackOne have a Acuity Scheduling MCP server?
Acuity Scheduling MCP server vs direct API integration: what's the difference?
How does Acuity Scheduling authentication work for AI agents?
origin_owner_id.Are Acuity Scheduling MCP tools vulnerable to prompt injection?
What is the context bloat of a Acuity Scheduling agent and how do I avoid it?
Can I limit which actions my Acuity Scheduling agent can access?
Can I create custom agent actions for my Acuity Scheduling MCP server?
When should I NOT use a Acuity Scheduling MCP server?
What AI frameworks and AI clients does the StackOne Acuity Scheduling MCP server support?
Put your AI agents to work
All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.